nt Test 9 Time Left 0:41:43 uzzing/user/attempt/quiz_start_frame_auto.42-6238376sprvdc 3 No Pre Post 80 E Question 3 (1

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Nt Test 9 Time Left 0 41 43 Uzzing User Attempt Quiz Start Frame Auto 42 6238376sprvdc 3 No Pre Post 80 E Question 3 1 1 (31.15 KiB) Viewed 28 times

nt Test 9 Time Left 0:41:43 uzzing/user/attempt/quiz_start_frame_auto.42-6238376sprvdc 3 No Pre Post 80 E Question 3 (1 point) A listening test was administered to Spanish teachers before and after an institute designed to improve Spanish listening skills. The following random samples of loting scores for 10 Spanish teachers are obtained D D 30 29 12.2622 2.2281 -2.2281 -2.2622 Next Page C 24 -2.6850, 2.6850 $ 4 888 Daniellesami: Attempt 2 R 2 28 30 F Determine if the institute improved listening skills at the 25% significance level. Let HD be the mean improvement in listening scores for teachers atending the institute (Po-Phd What isare the critical valo(s)? % 5 V 3 Was 26 30 ♫ co T G 4 ‹ 15 18 224 6 B $ [30 34 Y ! 7 H 6 20 27 U N 00. 7 B 31 29 32 32 8 J $ 354&cl=0&db=0&from= 1 t M 9 9 34 31 K 2 O Che X Page 3 of 5 < 10 28 1 0 * 33 ✔ L 1 P